How To Fix SRT_WSP731 - Unknown instance type "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 731

• Message text: Unknown instance type "&1"

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP731 - Unknown instance type "&1" ?

  The SAP error message SRT_WSP731 Unknown instance type "&1" typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the configuration of web service communication. This error indicates that the system encountered an instance type that it does not recognize or that is not properly defined.
  Cause:
  
  Incorrect Configuration: The instance type specified in the web service configuration may not be valid or recognized by the system.
  Missing or Incomplete Metadata: The metadata for the web service might be incomplete or missing, leading to the system being unable to identify the instance type.
  Version Mismatch: There may be a version mismatch between the service consumer and the service provider, leading to incompatibility in the expected instance types.
  Transport Issues: If the service was recently transported from one system to another, there may be inconsistencies in the configuration or missing objects.
  
  Solution:
  
  Check Configuration: Review the web service configuration in the SAP system. Ensure that the instance type specified is correct and matches the expected values.
  Validate Metadata: Ensure that the metadata for the web service is complete and correctly defined. You can regenerate the WSDL or metadata if necessary.
  Check for Updates: If there are updates or patches available for your SAP system, consider applying them, as they may resolve known issues related to web service communication.
  Review Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate missing objects or configuration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP PI/PO you are using for any known issues or additional troubleshooting steps.
  Debugging: If you have access to the development environment, consider debugging the web service call to identify where the instance type is being set and why it is not recognized.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other SAP-related discussion boards for similar issues and solutions shared by other users.
  Documentation: Review the official SAP documentation for Process Integration and Process Orchestration for best practices in configuring web services.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.